240,997 views
42 votes
42 votes
If xenon has an atomic number of 54 and a mass number of 108, how many neutrons does it have?.

User Monowerker
by
2.6k points

1 Answer

17 votes
17 votes

Answer:

54

Step-by-step explanation:

The number of neutrons in an atom is equal to the difference of its mass number and atomic number.

Since we have 108 mass and 54 atomic, we would simply subtract 108-54 to get 54.

User Frooyo
by
2.8k points